3.2
Why conserve
marine invertebrates?
3.2.1 Ecological
functions and services
3.2.2 Biogeochemical functions
3.2.3 Scientific values
3.2.4 Environmental assessment and monitoring
3.2.5 Economic and medical reasons
3.2.6 Education
3.2.7 Recreation / Aesthetics
3.2.8 Cultural significance
3.2.9 Ethical reasons
3.3
Extent
of the problem
3.3.1 Are
marine invertebrates really at little risk of extinction?
3.3.2 How many marine invertebrates
are threatened or extinct?
3.4
Impediments
to marine invertebrate conservation
3.4.1 Lack
of knowledge
3.4.2 Bias
in emphasis and interest
3.4.3 Public
disinterest
3.4.4 Resources
3.4.5 Practical problems for research
3.5 Main
issues and recommended actions